MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF file exhibits characteristics of a malicious redirector, with numerous embedded links pointing to external resources. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to a known malicious redirector infrastructure. Additionally, PDF_SEO_LINK_FARM indicates a large number of external PDF links, suggesting a link farm or distribution network. The ML classifier also strongly indicates maliciousness. The document body contains obfuscated text and a URL that appears to be part of the redirection chain.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=script+tag+in+angularjs+template In PDF document text
- http://files.greenvillechoralsociety.com/uploads/1/3/0/7/130776504/tabetuj.pdfIn PDF document text
- http://kezer.vintageinfused.net/uploads/1/3/1/4/131407226/91d2d058.pdfIn PDF document text
- http://wirejinu.cre8ivecake.com/uploads/1/3/1/4/131412032/fujenoremod.pdfIn PDF document text
- http://files.aurakuperbergart.com/uploads/1/3/0/7/130738997/kobeporubo.pdfIn PDF document text
- http://files.tywc.ca/uploads/1/3/0/8/130874380/1538a43a8717.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7368/3112/files/pobarodaboko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0894/9402/files/class_javalaunchhelper_is_implemented_in_both.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6512/1695/files/automobile_companies_in_pune_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1054/6074/files/buzefufutikojobova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3758/7606/files/56221564189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7473/8586/files/70634578304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0253/4822/files/persuasive_writing_samples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/assamese_poem_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/eversource_outage_map_ct.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0616/3105/files/java_person_class.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9387/7145/files/nursing_care_plan_for_postpartum_hemorrhage.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ce6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CE6 | 5432 bytes |
SHA-256: 71ef3684029f6b826449fd3aa6710fede891f52f1f999e3faca2b8e9a9801886 |
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font_01_sfnt_off00007f43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F43 | 15848 bytes |
SHA-256: c8a42c36ac267a95041690e2d42b5cce75bb812f5b2c063a0ce2cfbaee878620 |
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